divided circle
相关英语词汇推荐
- frequency summing
- mode pattern
- filters
- optical deformation
- intensifying screen
- Varotal lens
- holographic gratings
- metacrystalline
- time-averaged shadow-moire method
- astrospectrograph camera
- optical harmonic generation
- push out
- visible emissivity
- geometrical focus
- optical head controllers,control ics/modules
- multilongitudianl-mode laser
- chronophotography
- infra-red beam folower
- upper state relaxation
- diatomic roto